Singh, L. R. K., N. F. Johnson, and V. V. Ramamurthy. “New Species of the Genus Psix Kozlov &Amp; Lê (Hymenoptera: Platygastridae)”. Zootaxa, vol. 3530, no. 1, Oct. 2012, pp. 35–42, doi:10.11646/zootaxa.3530.1.3.